Finding the Fourth Proportional to 108,585.74, 149,838.18 and 60,828.96

Step by Step Solution

1. Step 1: Write the proportion equation
   108,585.74 : 149,838.18 = 60,828.96 : x
2. Step 2: Convert to fraction form
   108,585.74/149,838.18 = 60,828.96/x
3. Step 3: Cross multiply
   108,585.74x = 149,838.18 × 60,828.96
4. Step 4: Simplify right side
   108,585.74x = 9,114,500,657.69
5. Step 5: Solve for x
   x = 9,114,500,657.69/108,585.74
6. Step 6: Final answer
   x = 83,938.28